80302400

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1672

約数の個数: 84

約数和(自身を含む): 204094080

約数和(自身を除く): 123791680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1619, 1984, 2480, 3100, 3238, 4960, 6200, 6476, 8095, 9920, 12400, 12952, 16190, 24800, 25904, 32380, 40475, 49600, 50189, 51808, 64760, 80950, 100378, 103616, 129520, 161900, 200756, 250945, 259040, 323800, 401512, 501890, 518080, 647600, 803024, 1003780, 1254725, 1295200, 1606048, 2007560, 2509450, 2590400, 3212096, 4015120, 5018900, 8030240, 10037800, 16060480, 20075600, 40151200, 80302400]

約数ペア:

[(1, 80302400), (2, 40151200), (4, 20075600), (5, 16060480), (8, 10037800), (10, 8030240), (16, 5018900), (20, 4015120), (25, 3212096), (31, 2590400), (32, 2509450), (40, 2007560), (50, 1606048), (62, 1295200), (64, 1254725), (80, 1003780), (100, 803024), (124, 647600), (155, 518080), (160, 501890), (200, 401512), (248, 323800), (310, 259040), (320, 250945), (400, 200756), (496, 161900), (620, 129520), (775, 103616), (800, 100378), (992, 80950), (1240, 64760), (1550, 51808), (1600, 50189), (1619, 49600), (1984, 40475), (2480, 32380), (3100, 25904), (3238, 24800), (4960, 16190), (6200, 12952), (6476, 12400), (8095, 9920)]